/**
 * The MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package spoon.smpl;

import org.junit.jupiter.api.Test;
import spoon.smpl.formula.*;

import java.util.ArrayList;

import static org.junit.jupiter.api.Assertions.assertEquals;
public class FormulaOptimizerTest {
	@Test
	public void testRemoveEmptyOperations() {

		// contract: the formula optimizer should remove empty operation elements

		Formula phi = new And(new Proposition("foo"),
							  new ExistsVar("_v", new SetEnv("_v", new ArrayList<>())));

		assertEquals(new Proposition("foo"), FormulaOptimizer.optimizeFully(phi));
	}
}
